Home / 76,707.07-105,856.55-44,869.75

Finding the Fourth Proportional to 76,707.07, 105,856.55 and 44,869.75

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Solution

The fourth proportional to 76,707.07, 105,856.55 and 44,869.75 is: 61,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,707.07 : 105,856.55 = 44,869.75 : x
  2. Step 2: Convert to fraction form
    76,707.07/105,856.55 = 44,869.75/x
  3. Step 3: Cross multiply
    76,707.07x = 105,856.55 × 44,869.75
  4. Step 4: Simplify right side
    76,707.07x = 4,749,756,934.36
  5. Step 5: Solve for x
    x = 4,749,756,934.36/76,707.07
  6. Step 6: Final answer
    x = 61,920.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.